// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef BASE_WIN_STARTUP_INFORMATION_H_
#define BASE_WIN_STARTUP_INFORMATION_H_

#include <stddef.h>
#include <windows.h>

#include "base/base_export.h"
#include "base/macros.h"

namespace base {
namespace win {

    // Manages the lifetime of additional attributes in STARTUPINFOEX.
    class BASE_EXPORT StartupInformation {
    public:
        StartupInformation();

        ~StartupInformation();

        // Initialize the attribute list for the specified number of entries.
        bool InitializeProcThreadAttributeList(DWORD attribute_count);

        // Sets one entry in the initialized attribute list.
        // |value| needs to live at least as long as the StartupInformation object
        // this is called on.
        bool UpdateProcThreadAttribute(DWORD_PTR attribute,
            void* value,
            size_t size);

        LPSTARTUPINFOW startup_info() { return &startup_info_.StartupInfo; }
        LPSTARTUPINFOW startup_info() const
        {
            return const_cast<const LPSTARTUPINFOW>(&startup_info_.StartupInfo);
        }

        bool has_extended_startup_info() const
        {
            return !!startup_info_.lpAttributeList;
        }

    private:
        STARTUPINFOEXW startup_info_;
        DISALLOW_COPY_AND_ASSIGN(StartupInformation);
    };

} // namespace win
} // namespace base

#endif // BASE_WIN_STARTUP_INFORMATION_H_
